CVE-2023-32979 Jenkins Email Extension Plugin missing permission check

What is CVE-2023-32979?

CVE-2023-32979 is a medium-severity vulnerability in Jenkins Email Extension Plugin, published on 16 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Jenkins Email Extension Plugin does not perform a permission check in a method implementing form validation, allowing attackers with Overall/Read permission to check for the existence of files in the email-templates/ directory in the Jenkins home directory on the controller file system.

Weakness: CWE-732

Which versions are affected by CVE-2023-32979?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:email-ext. It affects 1 product.

Products include Jenkins Email Extension.

How do I fix CVE-2023-32979?

Upgrade org.jenkins-ci.plugins:email-ext to 2.96.1 or later.

Is CVE-2023-32979 being exploited?

There is no known exploitation of CVE-2023-32979 in the wild and no public exploit code.

Other vulnerabilities in Jenkins Email Extension Plugin

• CVE-2023-25765 Sandbox escape in Jenkins Email Extension Plugin Critical 9.9
• CVE-2019-1003032 Script security sandbox bypass in Jenkins Email Extension Plugin Critical 9.9
• CVE-2026-48920 Jenkins Email Extension Plugin: Attackers able to control email content may specify `file:` URLs for images to read arbitrary files from Jenkins controller filesystem High 8.8
• CVE-2020-2232 Jenkins Email Extension Plugin SMTP password transmitted and displayed in plain text High 7.5
• CVE-2018-1000176 Jenkins Email Extension Plugin showed plain text SMTP password in configuration form field Medium 6.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6gp4-2f92-j2w5.